Home / 10,669.30-15,966.15-9,297.70

Finding the Fourth Proportional to 10,669.30, 15,966.15 and 9,297.70

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Solution

The fourth proportional to 10,669.30, 15,966.15 and 9,297.70 is: 13,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.30 : 15,966.15 = 9,297.70 : x
  2. Step 2: Convert to fraction form
    10,669.30/15,966.15 = 9,297.70/x
  3. Step 3: Cross multiply
    10,669.30x = 15,966.15 × 9,297.70
  4. Step 4: Simplify right side
    10,669.30x = 148,448,472.86
  5. Step 5: Solve for x
    x = 148,448,472.86/10,669.30
  6. Step 6: Final answer
    x = 13,913.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.